• P Dreyfuss, M Michaelsen, K Pauza, J McLarty, and N Bogduk.
• Department of Rehabilitation Medicine, University of Texas Health Science Center, San Antonio, USA.
• Spine. 1996 Nov 15; 21 (22): 2594-602.

Study DesignThis prospective study evaluated the diagnostic utility of historically accepted sacroiliac joint tests. A multidisciplinary expert panel recommended 12 of the "best" sacroiliac joint tests to be evaluated against a criterion standard of unequivocal gain relief after an intra-articular injection of local anesthetic into the sacroiliac joint.ObjectivesTo identify a single sacroiliac joint test or ensemble of test that are sufficiently useful in diagnosing sacroiliac joint disorders to be clinically valuable.Summary Of Background DataNo previous research has been done to evaluate any physical test of sacroiliac joint pain against an accepted criterion standard.MethodsHistorical data was obtained, and the 12 tests were performed by two examiners on 85 patients who subsequently underwent sacroiliac joint blocks. Ninety percent or more relief was considered a positive response, and less then 90% relief was considered a negative response.ResultsThere were 45 positive and 40 negative responses. No historical feature, none of the 12 sacroiliac joint tests, and no ensemble of these 12 tests demonstrated worthwhile diagnostic value.ConclusionSacroiliac joint pain is resistant to identification by the historical and physical examination data from tests evaluated in this study.

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